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Refrigeration and Air Conditioning

Refrigeration and Air Conditioning
Air refrigeration operates on

Reversed Carnot cycle
Rankine’s cycle
Carnot cycle
Brayton cycle

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Refrigeration and Air Conditioning
In a psychrometric process, the sensible heat added is 30 kJ/s and the latent heat added is 20 kJ/s. The sensible heat factor for the process will be

0.3
0.6
0.67
1.5

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Refrigeration and Air Conditioning
In mechanical refrigeration system, the refrigerant has the maximum temperature

Between condenser and evaporator
Before expansion valve
In evaporator
Between compressor and condenser

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Refrigeration and Air Conditioning
Where does the lowest temperature occur in a vapour compression cycle?

Evaporator
Compressor
Expansion valve
Condenser

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Refrigeration and Air Conditioning
In order to collect liquid refrigerant and to prevent it from going to a ________, a device known as accumulator is used at the suction of compressor.

Condenser
Compressor
Evaporator
Expansion valve

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Refrigeration and Air Conditioning
The unit of thermal diffusivity is

m²/h
m/h
m²/hK
m/hK

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MORE MCQ ON Refrigeration and Air Conditioning

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